The City of Gaithersburg is served by Montgomery County Ride-On Buses, Metrorail/Metrobuses at the Shady Grove Station, MARC Trains, as well as a number of taxi and shuttle services.
Gaithersburg is conveniently located along I-270, which connects I-495 (the Washington Beltway) to the south with I-70 to the north. The City is also bisected by Rt. 355, known as Frederick Avenue in Gaithersburg, which runs from Washington, DC to just beyond Frederick, Maryland. MD Rt. 200 (toll road), the InterCounty Connector, links I-270 to the busy I-95 corridor near Laurel, Maryland.
Metrorail/Metrobus - www.wmata.com
The Red Lineís Shady Grove Metro Station serves the City of Gaithersburg and northern Montgomery County. A bus transfer station located at the corner of Odendíhal and Lost Knife Roads (adjacent to Lakeforest Mall) provides connections between the Metrobus and Ride-On systems.
Ride-On - www.montgomerycountymd.gov/tsvtmpl.asp?url=/content/dot/transit/index.asp
County Ride-On Buses provide access throughout Montgomery County, with many stops and shelters located in Gaithersburg.
MARC - www.mtamaryland.com
The MARC Commuter train serves the Gaithersburg area on weekdays with stops at the Gaithersburg Train Station on Summit Avenue, a commuter stop at Metropolitan Grove Road, and a commuter stop in the adjacent community of Washington Grove.
Amtrak - www.amtrak.com
Amtrak Trains depart from Union Station in Washington, D.C. and provide rail service throughout the United States. Access to Union Station is available via Metrorail and via the MARC commuter trains that make several stops in the Gaithersburg area on weekdays.
Baltimore Washington International Airport (BWI) - www.bwiairport.com
BWI is within a 45-minute drive, easily accessible via Rt. 200, the InterCounty Connector, linking I-270 in Gaithersburg with I-95. Ground transportation to BWI is available via the ICC Shuttle Bus, which picks up at the Park and Ride lot at I-270 and MD 124, and via Amtrak and MARC rail service from Union Station.
Dulles International Airport (IAD) - www.metwashairports.com/dulles/dulles.htm
Dulles is within a 45-minute drive. Access to the airport will be available via the Metrorail Silver Line, which is under construction. Washington Flyer coach service currently runs between the airport and the West Falls Church Metrorail station.
Ronald Reagan National Airport (DCA) - www.mwaa.com/national/index.htm
Reagan National is within a 45-minute drive and is directly accessible by Metrorail.
Montgomery County Airpark (GAI) - www.montgomerycountyairpark.com
The airport, which can accommodate private aircraft with a 4,200 foot runway, is approximately four miles from the center Gaithersburg.